Compilare: user.cpp: In function ‘bool cmp(ceva, ceva)’: user.cpp:19:33: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] return a.d < b.d || a.d == b.d && a.t > b.t; ^ user.cpp: In function ‘int main()’: user.cpp:34:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:36:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &m); ^ user.cpp:38:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &T[j].t, &T[j].d); ^